{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["employee of", "country of birth", "country of headquarters", "subsidiaries"], "input": "Brazil  's state-owned companies were the highest bidders for five of the seven energy transmission lines auctioned at the  Rio de Janeiro Stock Exchange  Wednesday local media said ."}
{"employee of": [], "country of birth": [], "country of headquarters": [{"subject": "Brazil", "object": "Rio de Janeiro Stock Exchange"}], "subsidiaries": []}